Sources privy to the meeting said differences cropped-up between the two intelligence chief's after General Pasha criticised the United States for its failure to help Pakistan in its counter-terror efforts.

Sources said, during the meeting, expressed his disappointment over CIA's failure to provide credible information to Islamabad [Images] regarding the extremist groups working in Afghanistan to create trouble in Pakistan.

Panetta is visiting Pakistan as a follow-up to the US of Secretary of State Hillary Clinton's [Images] visit to address complains of the Pakistan's army [Images], The Nation reports.

He also held separate meetings with Pakistan President Asif Ali Zardari [Images], Prime Minister Yousuf Raza Gilani [Images] and Chief of Army Staff General Ashfaq Kayani.

Insiders said the CIA chief discussed at length issues regarding military-to-military cooperation and intelligence sharing to make joint efforts against terrorism more effective during his meeting with Pasha.